John Deere 750c 850c Transmission Repair Manual

Page 1


DOWNLOAD SERVICE MANUAL

750C, 850C Crawler Dozer Repair

TECHNICAL MANUAL

750C, 850C, 750C Series II, 850C Series II Crawler Dozers

TM1589 10AUG04 (ENGLISH)

For complete service information also see:

750C, 850C, Cramer Dozer Operation and Test

6068 Engine

6068 POWERTECH Engine.............

6076 Engine ..........................

6081 POWERTECH Engine Repair....... Undercarriage Appraisal Manual

TM1588 CTM8 CTM104 CTM42 CTM86 SP326

Introduction

Foreword

This manual is written for an expeûenced technician. Essenbal tools required in performing œrtain serviœ work are idenbfied in this manual and are reœmmended for use.

Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.

This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.

Technical manuals are divided in two parts:repair and operation and tests. Repair sections tell how to repair the components. Operation and tests sections help you identify the majority of routine problems quickly.

Information is organized ingroups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.

Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.

Fundamental serviœ information is available from other sources œveûng basic theory of operation, fundamentals of troubleshœting, general maintenanœ, and basic type of problems and their causes.

TX,750C,Ss24o6 19 13Jur9s 1/1

750C, 850C, 750C ll,850C ll Crawler

SECTION 0 eneral Information

Group 01 Safety

Group 02 General Specifications

Group 03 Torque Values

Group 04 Fuels and Lubricants

SECTION 01 Tracks

Group 0130 Track System

Group 0199 Dealer Fabricated Tools

SECTION 02 Axles and Suspension Systems

Group 0201 Drive Axle Housing and Support

Group 0250 Axle Shaft, Bearings and Reduction Gears

Group 0299 Dealer Fabricated Tools

SECTION 0 Transmission

Group 0300 Remove and Install

Group 031 ontrol Linkage

Group 0360 Hydrostatic System

Group 0399 Dealer Fabricated Tools

SECTION 0 Engine

Group 0400 Removal and Installation

SECTION 0 Engine Auxiliary Systems

Group 050 old Weather Starting Aid

Group 0510 Cooling System

Group 051 peed Controls

Group 0520 Intake System

Group 0530 External Exhaust Systems

Group 0560 External Fuel Supply Systems

Group 0599 Dealer Fabricated Tools

SECTION 07 Dampener Drive

Group 0752 Elements

SECTION 11 Park Brake

Group 1100 Park Brake

Group 111 ontrol Linkage

Group 1160 Hydraulic System

SECTION1 Equipment Attaching

Group 1511 Drawbar

SECTION 16 Electrical System

Group 1671 Batteries, Support, and Cables

Group 1672 Alternator, Regulator and Charging

System Wiring

Group 167 Lighting System

Group 167 Wiring Harness and Switches

Group 167 ystem Controls

Group 1677 Motors and Actuators

SECTION 17 Frames, Chassis, or Supporting Structure

Group 174 Frame Installation

Group 174 Frame Bottom Guards

Group 174 hassis Weights

SECTION 18 Operator’s Station

Group 180 Removal and Installation

Group 181Operator Enclosure

Group 1821 Seat and Seat Belt

Group 183 Heating and Air Conditioning

SECTION 19 Sheet Metal t

Group 191 Hood and Engine Enclosures

Group 1921 Grille and Grille Housing

SECTION20—Safety,Convenienceand Miscellaneous

Group 200 Horn and Warning Devices '

SECTION 32 Bulldozer

Group 320 Removal and Installation

Group 3201 Blade

Group 321Controls Linkage

Group 324 Frames

Group 326 Hydraulic System

Group 329 Dealer Fabricated Tools

All information, i/Australians and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.

Group 01 Safety 00-01-1 Track Rollers, Front Idler, Carrier Roller

Group02 General Specifications

750C Series II Specifications. 00-02-1

750C Series General pe s. " 2"4

750: S: etees''IID me s o s 2

750C LGP Series II Dimensions 00-02-11

850C Series II Specifications. 00-02-13

850C Series II Capacity Specifications 00-02-16

850C Series II General Specifications 00-02-17

850C LT Series II Dimensions.....................00-02-19

850C WT Series II Dimensions ..................00-02-22

850C LGP Series II Dimensions 00-02-24

Group O Torque Values and Track Frame Outer Pivot Oil

00-04-7 Grease 00-04-7 Lubricant Storage

00-04-8 Alternative and Synthetic Lubricants .................00-04-8 Mixing of Lubricants......................................00-04-9 Diesel Engine Coolant. 00-04-9 e 1

H %i R PSLII nstaeed o e

"00" 3"1

Checking Track Shoe Cap Screw Torque ... t00-03-2

Checking Track Shoe Cap Screw Torque

Master Link

00-03-3

Metric Bolt and Cap Screw Torque Values 00-03-5

Additional Metric Cap Screw Torque Values 00-03-6

Service Recommendations for Metric Series Four Bolt Flange Fitting 00-03-8 Unified Inch Bolt and Cap Screw Torque Values 00-03-9

Check Oil Lines And Fittings 00-03-10

Service Recommendations for O-Ring Boss Fittings

00-03-11

Service Recommendations for Flat Face O-Ring Seal Fittings 00-03-13

Service Recommendations for Inch Series Four Bolt Flange Fittings 00-03-14

Group 0 uels and Lubricants

Diesel Fuel

00-04-1

Handling and Storing Diesel Fuel 00-04-1

Fuel Tank 00-04-2

Low Sulfur Diesel Fuel Conditioner ...............00-04-2

Diesel Fuel Storage ...................................... 00-04-3

Diesel Engine Oil 00-04-4

TrRe o Hydraulic, and Hand Pump 4 5

Inner and Outer”FinaI” Drive ”Oil 00-04-6

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